John Ryan De Rivera, PTA
NPI 1821944778 · Physical Therapy Assistant · Chino, CA
John Ryan De Rivera, PTA is a Physical Therapy Assistant provider in Chino, CA (NPI 1821944778).
Provider details
- NPI number
- 1821944778
- Entity type
- Individual
- Primary specialty
- Physical Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- PTA
- Sex
- Male
- Sole proprietor
- Yes
- License
- 52710 (CA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2026-03-04
- Last updated
- 2026-03-04
- Certified
- 2026-03-04
Frequently asked questions
- What is John Ryan De Rivera's NPI number?
- John Ryan De Rivera's National Provider Identifier (NPI) is 1821944778, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Ryan De Rivera's specialty?
- John Ryan De Rivera is listed in the NPPES registry with a primary specialty of Physical Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is John Ryan De Rivera located?
- John Ryan De Rivera's practice location on file with NPPES is 4541 Philadelphia St Ste C103, Chino, CA 91710-2250.
- What is John Ryan De Rivera's phone number?
- The practice phone number listed in the NPPES registry for John Ryan De Rivera is (909) 590-7997.
- Is John Ryan De Rivera's NPI active?
- Yes — John Ryan De Rivera's NPI (1821944778) is active in the NPPES registry as of the last update on 2026-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.